Finding the Fourth Proportional to 56,406,087.98, 84,611,137.53 and 18,062,620.10

Step by Step Solution

1. Step 1: Write the proportion equation
   56,406,087.98 : 84,611,137.53 = 18,062,620.10 : x
2. Step 2: Convert to fraction form
   56,406,087.98/84,611,137.53 = 18,062,620.10/x
3. Step 3: Cross multiply
   56,406,087.98x = 84,611,137.53 × 18,062,620.10
4. Step 4: Simplify right side
   56,406,087.98x = 1,528,298,833,433,242.50
5. Step 5: Solve for x
   x = 1,528,298,833,433,242.50/56,406,087.98
6. Step 6: Final answer
   x = 27,094,572.38